NRF52832 device package

NRF52832 schematic symbol

In the past few decades electronics technology has witnessed a number of revolutionary advancements. The growth and advancement in the areas of mobile phones, laptops, wearable electronics, and other consumer electronics has been very fast. A number of different types of communication protocols have been developed for various types of applications and niches. One of the most important and popular communication technologies for use with consumer electronics is the Bluetooth technology. The Bluetooth technology enables the smart devices to communicate wirelessly with the peripherals. The Bluetooth wireless communication technology has resulted in a number of novel and innovative applications in various market sectors. Several companies are offering SoC (system on chip) single chip solutions for the Bluetooth market.

Table of Contents

What is NRF52832-QAA-R？

The NRF52832-QAA-R is a mid-range member of the NRF52 SoC family for BLE applications developed by Nordic Semiconductor. This SoC device supports BLE 5 features, protocol concurrency and wide range of peripherals. The SoC also integrates flash memory and RAM. The main advantage of NRF52832 is the support for multiple protocols such as Bluetooth 5, Bluetooth mesh, ANT and 2.4GHz proprietary stack. This SoC is designed around the powerful ARM Cortex M4 CPU core along with a 64MHz floating point unit. The SoC also incorporates a an adaptive power management system for very low power consumption.

Pin Configuration

Pin number	Pin description
1,13,31,32,33,36,45,46,47,48	Power supply, decoupling and ground pins
2,3,4,5,6,7,8,9,10,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,37, 38,39,40,41,42,43,	Configurable Digital I/O or analog input pins
11,12	NFC inputs
30	RF radio antenna connection

Features

4 GHz integrated transceiver
32 bit ARM CORTEX M4 processor with 64 MHz FPU
Adaptive power management system
Built in flash memory and RAM
Support for concurrent multiple protocols
Support for type-2 NFC (near field communication)
8-channel 12-bit ADC
64 level comparator
32 GPIOs
Integrated temperature sensor
I2S with EasyDMA
UART with EasyDMA
Programmable Peripheral Interconnect (PPI)
Quadrature decoder
Very few external components required
Available in QFN48 and WLCSP packages

Applications

The applications of the NRF52832 SoC are listed as following:

Home automation
Sensor networks
Building automation
Biomedical instrumentation
Smart wearable devices
Wireless game console controllers
Wireless HID PC peripherals
Industrial wireless communications
Home and automobile security applications

Specifications

The prominent technical specifications of the NRF52832 are listed as following:

Transceiver: 2.4GHz
BLE mode sensitivity: -96dB
BLE mode data rate: 2Mbps
Single pin antenna interface
TX peak current: 5.3mA
RX peak current: 5.4mA
RSSI resolution: 1dB
Processor core: ARM CORTEX M4 with FPU
Supply voltage: 1.7V-3.6V
Internal oscillator: 64MHz
Flash memory: 256kB/512kB
RAM: 32kB/64kB
ADC: 8 channel 12 bit
Comparator: 64 level
Low power comparator: 15 level
GPIOs: 32
PWM: 3 x 4 channel
Timers: 5 x 32 bit
Supported interfaces: SPI, I2C, I2S, UART, PPI
Decoder: QDEC
Encryption: AES HW
Counters: 3 x RTC counters

Alternatives

BlueNRG-248, nRF52832-QFAA-T, nRF52832-QFAA-R7;

How NRF52832 work?

The NRF52832 SoC can be used in a number of Bluetooth based applications. One of the most common applications of this module is the mobile to peripheral interface such as headsets or earphones. The data communication happens wirelessly over the Bluetooth.

The application circuit setup for the SoC is shown in the figure below:

NRF52832 application circuit

NRF52832 Related Products Prices

Parts	Mfr.	Description	Stock	Prices
NRF52832-QFAA-R	Nordic	IC RF TXRX+MCU BLUETOOTH 48QFN	13332	$1.779 Lowest
NRF52832-QFAB-R	Nordic		3o00	$1.890 Lowest
NRF52832-QFAA	Nordic	Bluetooth v5.0 (BLE) SMART SOC IoT	8000	$1.831 Lowest